The flow of gas and condensate had been slowing through the week before the well was plugged late Thursday with drilling mud.

“The discharge volume was low, and the sheen has evaporated,” a spokesperson for Talos Energy LLC, the company that owns ERT, told Rigzone.

BSEE said one of their supervisory inspectors is on board the platform, and its engineers are reviewing plans and procedures from ERT for isolating the well’s hydrocarbon zone. Additional work will be conducted through the weekend to permanently seal the well.

Initially, workers were attempting to temporarily plug the old, non-producing well , which is located about 74 miles southwest of Port Fourchon, Louisiana, when they noticed the leak, which had produced a sheen on the surface of the water. Two other wells on the platform were shut down as a result of the loss of well control.

BSEE, the U.S. Coast Guard and other federal and local agencies quickly responded to the well control event, and the workers on the platform were evacuated.

Later in the week, when the conditions were safer, workers began pumping drilling fluids into the well to stop the flow.

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